[4:31 PM, 3/26/2026] Nish Patel: PU paint is a two-component coating system made of:
Base (Resin + pigments + additives)
Hardener (Isocyanate)
iii Key Properties of PU Paint
i High gloss & smooth finish
i Excellent hardness
i Scratch & abrasion resistance
i Water & chemical resistance
i UV resistance (better than NC)
i Long life (5i10+ years)
- Applications
Wooden furniture
Modular kitchens
Doors & panels
Veneer finishes
Automotive parts
Metal coatings (industrial PU)
i Mixing Ratio (Important)
Typical ratio:
PU Base : Hardener = 2:1 or 1:1 (depends on system)
Add thinner: 10i30%
ii After mixing:
Pot life = 2i4 hours
After that i material becomes unusable
Application Method
Best: Spray Application
Air spray / Airless spray
Gives smooth finish
Process:
1.Sanding (320i400 grit)
2.Sealer coat (PU or NC)
3.Sanding again
4.PU top coat (2i3 coats)
iii Drying Time
Touch dry: 30i60 min
Hard dry: 6i8 hours
Full cure: 24i48 hours
Price: